Transcription of Performance Guide Specifications for Metal Roofing Systems
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Performance Guide Specifications for Metal Roofing Systems
Metal Roofing Systems Performance Guide Specification January, 2012 Metal Roofing Systems Performance Guide Specification Metal BUILDING MANUFACTURERS ASSOCIATION 1300 Sumner Avenue Cleveland, Ohio 44115 Page 1 of 12 Metal Roofing Systems Performance Guide Specification January, 2012 This Guide specification is intended for use on projects where the Structural Standing Seam roof System (SSSRS) is supplied as an item separate from the building s structural system. There are a number of provisions in the specification which are not appropriate for Roofing Systems supplied as part of a complete building system.
3. Metal roof panel systems shall have a maximum air infiltration rate of 0.007 cfm/ft. 2. at a pressure differential of 6.24 psf. when tested in accordance with ASTM E1680. 4. Metal roof panel systems shall have no water leakage at a pressure differential of 6.24 psf when tested in accordance with ASTM E1646. 5.
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